Technology Review

GPS data from over 30,000 Beijing cabs have provided researchers at Microsoft Research Asia glimpses into underlying causes of congestion in the city. Typically, the culprit is missing or flawed connections.

A new study of how people are using the French bikesharing system in Lyon provides ample data for American planners hoping implementing similar systems, and reveals that bicycles are faster and more effective than cars in dowtown commutes.

A new journal article by Eric Fraser assesses what went wrong with plans to bring wireless Internet access to the masses, finding that a hostile regulatory environment trumps even the best-laid plans.

Policies that encourage density as a way to reduce carbon emissions won't be able to play a significant role in reducing carbon emissions in time to counteract global warming, according to a new report from the National Academy of Sciences.

Masdar City, the elaborate and ambitious planned green development in Abu Dhabi, is slowing coming into shape. This piece from Technology Review looks at how the city's development could inform the future of citybuilding.

A new online visual mapping tool enables users to virtually tour places from a pedestrian's perspective online.

A partnership between Southern California Edison and Stirling Energy Systems will result in the largest solar farm in the United States.

Google's four-month old mapping service is being used in interesting ways to display a wide variety of demographic information.

Daniel Charles offers a fascinating introduction to GIS and the field's apparently shady origins.

Stewart Brand believes that environmentalists should rethink their positions on population growth, urbanization, genetically modified crops, and nuclear power.

Richard Muller argues that poor math undermines evidence linking global warming to human activity.

Wireless networking is becoming an increasingly popular amenity for cities and town. But who will pay for it?

The premise of voluntary environmentalism is that firms become more environmentally enthusiastic when their adoption of regulatory policies comes willingly.

MIT's Technology Review offers a fascinating look at the latest building technologies being used in the world's tallest building. [Includes graphics.]

Hydrogen is no greener than the energy sources use to produce it.

An MIT architecture professor and two students designed and built a 'microvillage' that offers instant community in devastated areas.

Can a thermodynamic engineer convince people to drink purified sewage?

Many geology and water isssues have been overlooked by the DOE in selecting Yucca Mountain as the nation's nuclear depository.

MIT's Technology Review continues its in-depth examination of the proliferation of public monitoring technologies.

Say goodbye to unmonitored public spaces. The average person is filmed by more than 300 cameras each day.